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CN100561304C - Glass substrate for liquid crystal encapsulation and liquid crystal display device - Google Patents

Glass substrate for liquid crystal encapsulation and liquid crystal display device Download PDF

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Publication number
CN100561304C
CN100561304C CNB2004100279088A CN200410027908A CN100561304C CN 100561304 C CN100561304 C CN 100561304C CN B2004100279088 A CNB2004100279088 A CN B2004100279088A CN 200410027908 A CN200410027908 A CN 200410027908A CN 100561304 C CN100561304 C CN 100561304C
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China
Prior art keywords
liquid crystal
glass substrate
coating
micron
display device
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100279088A
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Chinese (zh)
Other versions
CN1713029A (en
Inventor
中川威雄
村中昌幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jingjiang Yunchuang Technology Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CNB2004100279088A priority Critical patent/CN100561304C/en
Priority to US11/142,552 priority patent/US20050286009A1/en
Priority to JP2005179984A priority patent/JP5095928B2/en
Publication of CN1713029A publication Critical patent/CN1713029A/en
Application granted granted Critical
Publication of CN100561304C publication Critical patent/CN100561304C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/77—Coatings having a rough surface
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/116—Deposition methods from solutions or suspensions by spin-coating, centrifugation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133302—Rigid substrates, e.g. inorganic substrates

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

本发明涉及一种液晶封装用玻璃基板以及使用该玻璃基板的液晶显示装置。该液晶封装用玻璃基板包括一经磨削加工处理，具有若干凹痕的表面，该表面的粗糙度为0.1-3微米。该表面形成有一填充该凹痕的透明树脂涂层，该透明树脂涂层的厚度为0.5～5微米。通过增设该涂层，使该玻璃基板快速达到透明化，从而解决现有液晶封装用玻璃基板通过机械加工获得高透明度所需时间较长的问题。本发明还提供该玻璃基板的制造方法及使用该玻璃基板的液晶显示装置。

Figure 200410027908

The invention relates to a glass substrate for liquid crystal packaging and a liquid crystal display device using the glass substrate. The glass substrate for liquid crystal encapsulation includes a surface with several dents after grinding, and the roughness of the surface is 0.1-3 microns. A transparent resin coating is formed on the surface to fill the dent, and the thickness of the transparent resin coating is 0.5-5 microns. By adding the coating, the glass substrate can quickly become transparent, thereby solving the problem that the existing glass substrate for liquid crystal packaging needs a long time to obtain high transparency through mechanical processing. The invention also provides a manufacturing method of the glass substrate and a liquid crystal display device using the glass substrate.

Figure 200410027908

Description

Packaging liquid crystal is with glass substrate and liquid crystal indicator
[technical field]
The present invention relates to a kind of packaging liquid crystal with glass substrate and use the liquid crystal indicator of this glass substrate.
[background technology]
Portable type electronic products such as graphoscope, mobile phone and digital camera use liquid crystal indicator more, the structure that its core system adopts the layer glass substrate that packaging liquid crystal is got up.For adapting to liquid crystal indicator to the lightweight of material and the requirement of slimming, the thickness of glass substrate needs as far as possible little.But thin glass board material difficulty is bigger owing to carrying, so employing is carried out the mode that the large-size glass plate carries out the slimming processing usually in the manufacturing process of traditional liquid crystal indicator.
At present, the known main slimming manufacture method of industry is: after enclosing liquid crystal between two glass substrates, by glass being excised with the glass dissolving or with mechanical processing methods such as wheel grindings with chemical method, make the glass substrate attenuation.Because the former dissolving method is difficult to obtain high flat degree, so latter's application is more extensive.
But, in above-mentioned machining process, glass substrate by the grinding attenuation after, its surface can be scratched and leave indenture, influences the transparency of glass substrate integral body, usually the mode of following adopted precise finiss is handled.This job operation is consuming time longer.For example, grind and cut the processing needs 5 minutes, precise finiss just needs 50 minutes.Whole process time is elongated, and cost increases.
Therefore, be necessary to provide a kind of packaging liquid crystal that can reach transparence fast with glass substrate and manufacture method thereof and use the liquid crystal indicator of this glass substrate.
[summary of the invention]
Packaging liquid crystal obtains the long problem of high grade of transparency required time with glass substrate by machining in the prior art in order to solve, and first purpose of the present invention is to provide a kind of packaging liquid crystal glass substrate that can reach transparence fast.
Second purpose of the present invention is to provide the liquid crystal indicator that uses above-mentioned glass substrate.
For realizing above-mentioned first purpose, packaging liquid crystal glass substrate provided by the invention comprises once wheel grinding processing and handling to have the surface of some indentures.This surface is formed with the transparent resin coating of this indenture of filling, and the thickness of this transparent resin coating is 0.5～5 micron.
Wherein, above-mentioned coating can adopt infusion method or whirl coating to be formed at this glass baseplate surface.
For realizing above-mentioned second purpose, the liquid crystal indicator of the above-mentioned glass substrate of employing provided by the invention comprises liquid crystal and is used for encapsulating two glass substrates of this liquid crystal that this glass substrate has the surface that is formed with some indentures after abrasive machine is handled.Wherein, this surperficial roughness is the 0.1-3 micron, and this surface-coated has the transparent resin coating of this indenture of filling.The thickness of this transparent resin coating is 0.5～5 micron.
With respect to prior art, the present invention behind mechanical treatment, the residual glass baseplate surface that fine indenture arranged applies a very thin clear coat, fills surface pitting, so that this glass substrate obtains high grade of transparency.Thereby avoid shortening process time, reduce production costs for reaching the required long precision lapping process of carrying out of same effect.In addition,, add this coating thereon, can increase its integral intensity and toughness, thereby make its not cracky and reduce the danger of its breakage because glass substrate is handled the back cracky through slimming.
[description of drawings]
Fig. 1 is the synoptic diagram of liquid crystal indicator of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1.
[embodiment]
The present invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, liquid crystal indicator 3 provided by the invention, it comprises liquid crystal 33, glass substrate 31,35 and encapsulation material 37.Liquid crystal 33 places between two glass substrates 31,35, and its two ends are by 37 sealings of encapsulation material.Two glass substrates 31,35 on the surface 310,350 of liquid crystal 33, be respectively equipped with clear coat 312,352.
See also Fig. 2, glass substrate 35 provided by the invention can find out to have some indentures on its surface 350 (not indicating) after amplify the part.Coating 352 is formed at this surface 350, and is filled in this indenture.
The indenture that is to be noted that surface 350 is to be caused by mechanical treatment.Usually in the manufacture process of glass substrate 35, the glass plate of a large-size can be obtained the substrate of required size, thickness and shape by mechanical treatments such as wheel grindings.Therefore its surface 350 also scratches, and leaves fine indenture.
Generally speaking, behind mechanical treatment, the degree of roughness on glass substrate 35 surfaces 350 is the 0.1-3 micron, preferably can reach the 0.1-0.2 micron, is good to guarantee that coating 352 can obtain enough transparencies.
Coating 352 should approach and homogeneous, and its optimum thickness is the 0.5-5 micron.Coating 352 should be smooth smooth back to a side surface (not indicating) of glass substrate 35, preferably has higher hardness.Coating 352 can select for use resin material to make, as light-hardening resin.In addition, can select its corresponding coating 352 materials for use according to the material of glass substrate 35, the refractive index of best two kinds of materials, expansion coefficient etc. are comparatively approaching.
The manufacture method of glass substrate 35 provided by the invention is through after the above-mentioned machining moulding, at its surface 350 coatings one clear coat 352, to fill the indenture on surface 350 at glass substrate 35.
Multiple coating method of the prior art all can be used for implementing the present invention, for example directly immersion or spin coated etc.Can be as required, set in advance diaphragm in the part that need not to be provided with coating 352, make it avoid coated 352.
After being preferably in the intact glass substrate 35 of mechanical treatment, it is cleaned, be attached to the impurity or the dirt on its surface 350 with removal, as chips of glass, dust etc.In addition, also can carry out some special surface treatment, so that coating 352 can be attached to going up of glass substrate 35 surfaces 350 better or the transparency of whole glass substrate 35 can further be improved according to actual conditions.
Be understandable that,, can correspondingly increase some complementary processing according to the material character of selected coating 352.For example, when adopting light-hardening resin, after light-hardening resin evenly is coated on this glass baseplate surface, needs that it is carried out UV-irradiation and make its sclerosis as coating material.
In like manner, can handle the glass substrate 310 that obtains having coating 312 similarly.
In addition, those of ordinary skills should know, and described liquid crystal indicator 3 also comprises other assembly, as backlight module, driving circuit etc., does not repeat them here.
The present invention behind mechanical treatment, the very thin clear coat of the residual glass baseplate surface coating that fine indenture arranged, fill surface pitting, so that this glass substrate obtains high grade of transparency.Thereby avoid shortening process time, reduce production costs for reaching the required long precision lapping process of carrying out of same effect.In addition,, add this coating thereon, can increase its integral intensity and toughness, thereby make its not cracky and reduce the danger of its breakage because glass substrate is handled the back cracky through slimming.

Claims (5)

1. packaging liquid crystal glass substrate, it is characterized in that: it comprises once grinding handles, surface with some indentures, this surperficial roughness is the 0.1-3 micron, and this surface is formed with the transparent resin coating of this indenture of filling, and the thickness of this transparent resin coating is 0.5～5 micron.
2. packaging liquid crystal glass substrate as claimed in claim 1 is characterized in that, the roughness on above-mentioned surface is the 0.1-0.2 micron.
3. packaging liquid crystal glass substrate as claimed in claim 1 is characterized in that, above-mentioned resin material is a light-hardening resin.
4. liquid crystal indicator, comprise liquid crystal and be used for encapsulating two glass substrates of this liquid crystal, it is characterized in that this glass substrate has the surface that is formed with some indentures after grinding is handled, this surperficial roughness is the 0.1-3 micron, and this surface-coated has the transparent resin coating of this indenture of filling, and the thickness of this transparent resin coating is 0.5～5 micron.
5. liquid crystal indicator as claimed in claim 4 is characterized in that, above-mentioned resin material is a light-hardening resin.
CNB2004100279088A 2004-06-25 2004-06-25 Glass substrate for liquid crystal encapsulation and liquid crystal display device Expired - Fee Related CN100561304C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNB2004100279088A CN100561304C (en) 2004-06-25 2004-06-25 Glass substrate for liquid crystal encapsulation and liquid crystal display device
US11/142,552 US20050286009A1 (en) 2004-06-25 2005-06-01 Glass substrate for packing liquid crystals, method for manufacturing same, and LCD device using same
JP2005179984A JP5095928B2 (en) 2004-06-25 2005-06-20 Glass substrate for encapsulating liquid crystal, method for producing the same, and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100279088A CN100561304C (en) 2004-06-25 2004-06-25 Glass substrate for liquid crystal encapsulation and liquid crystal display device

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CN1713029A CN1713029A (en) 2005-12-28
CN100561304C true CN100561304C (en) 2009-11-18

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Publication number Priority date Publication date Assignee Title
JP2007197236A (en) * 2006-01-25 2007-08-09 Nishiyama Stainless Chem Kk Manufacturing method of glass substrate for display and glass substrate thereof
EP1873126A1 (en) * 2006-02-22 2008-01-02 Central Glass Co., Ltd. Anti-Glare Glass Substrate
JP5102012B2 (en) * 2007-12-19 2012-12-19 リンテック株式会社 Manufacturing method of glass substrate for display device, manufacturing method of display panel

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CN2244235Y (en) * 1995-08-28 1997-01-01 中国科学院长春物理研究所 Light conductive display board
CN1216518A (en) * 1996-12-18 1999-05-12 皇家菲利浦电子有限公司 A method of post-etching mechanically treated substrates
JP2000111887A (en) * 1998-09-30 2000-04-21 Optrex Corp Liquid crystal display device
JP2001042301A (en) * 1999-08-04 2001-02-16 Nitto Denko Corp Liquid crystal display
JP2002182185A (en) * 2000-12-19 2002-06-26 Hitachi Ltd Liquid crystal display device and method of manufacturing the same
JP2002297054A (en) * 2001-03-29 2002-10-09 Sumitomo Bakelite Co Ltd Substrate for display device
KR20030032832A (en) * 2001-10-18 2003-04-26 가부시키가이샤 히타치세이사쿠쇼 Substrate for Display Device and Display Device Using the Same
CN1503039A (en) * 2002-11-19 2004-06-09 夏普株式会社 Manufacturing method of microlens substrate and microlens exposure optical system
CN1512216A (en) * 2002-12-26 2004-07-14 ������������ʽ���� Display panel and manufacturing method thereof

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JP2006011436A (en) 2006-01-12
JP5095928B2 (en) 2012-12-12
US20050286009A1 (en) 2005-12-29
CN1713029A (en) 2005-12-28

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